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Girl who dresses or acts in the manner of a pony for sexual purposes. SM is implied but not implicit.
Jenny loved being Chris' ponygirl
by Donnelly January 19, 2004
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2
A bondage chick who likes to wear pony gear like blinders, a bit, and a fake horse tail.
That chick likes it rough, she likes bein' my pony girl.
by Ledbatz February 02, 2006
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3
a girl who does beastiality porn or has sexual intercourse with Horses and other animals.
"oh man, we went to Mexico. And we thought it'd be fun to go to a show, and it's a woman fucking a horse. We get there, and we think it's gonna be awesome, and it's not as cool as it sounds like it would be, man. It's kinda gross. You think a woman fucking a horse, and you get there, and it's a woman fucking a horse. It was really giving it to her. And you know what? to be honest I felt bad for her, we all just felt bad for her. Kinda felt bad for the horse." pony girl, lol.

--40 Year Old Virgin
by lnorennny July 29, 2006
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